- Logic, Medieval1
- Lorenzo, Vanna di1
- Ludwig IV, Holy Roman Emperor, 1282?-13471
- Madrasah al-ʻUmarīyah (Damascus, Syria)1
- Magic1
- Malikites1
- Manuscripts, Armenian1
- Manuscripts, Spanish1
- Maps1
- Maqdisī, ʻAbd Allāh ibn ʻAfīf al-Dīn, d. 13361
- Margaret, of Antioch, Saint1
- Marginalia1
- Marriage law1
- Martino, Vanni di1
- Mashāriq al-anwār (Ṣaghānī, al-Ḥasan ibn Muḥammad)1
- Masjid al-Aqṣá (Jerusalem)1
- Masorah1
- Matteo, Giovanni di1
- Mawṣilī, Muḥammad ibn al-Ḥusayn, -1334 or 13351
- Maḥzor. Yom Kippur1